CVE-2026-44504

Aegra: Cross-user run injection in /threads/{thread_id}/runs (IDOR)

State: Published
Severity: 8.6 High
Published: May 14, 2026
Updated: May 16, 2026
Reserved: May 6, 2026

Description

Aegra is a drop-in replacement for LangSmith Deployments. Prior to 0.9.7, with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated attacker, given another user's thread_id, can execute graph runs against the user's thread, read the user's full checkpoint state, and inject arbitrary messages into the user's conversation history. This vulnerability is fixed in 0.9.7.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-285 Improper Authorization
CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
aegraaegra	< 0.9.7Affected

References

https://github.com/aegra/aegra/security/advisories/GHSA-m98r-6667-4wq7

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